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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

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Exercise 6 Page 77

Adding a negative number is the same as subtracting a positive number.

- 8

Practice makes perfect

Let's perform the addition.

- 7 +(- 1)

a+(- b)=a-b

- 7 - 1

Subtract term

- 8

Below we will demonstrate by finding - 7 and moving 1 unit to the right on the number line.

The resulting position, after moving to the right on the number line, is the sum. - 7 +(- 1)=- 8